TY  - BOOK
AU  - Pyle,Robert Michael
ED  - National Audubon Society.
TI  - The Audubon Society field guide to North American butterflies
SN  - 0394519140 (pbk.)
AV  - QL548 .P94 1981
U1  - 595.78/9097 19
PY  - 1981///
CY  - New York
PB  - Knopf, Distributed by Random House
KW  - Butterflies
KW  - North America
KW  - Identification
KW  - Insects
N1  - Includes indexes
ER  -